|Tagline:||The Greatest Mystery Is How It All Began|
|Description:||The story of how Mystery Inc. was formed. More Plot »|
|Starring:||Frank Welker, Robbie Amell, Hayley Kiyoko, Kate Melton Full Credits »|
|Release Date:||Sunday, September 13, 2009|
|MPAA Rating:||Rated PG for some mild peril.|
Added 9 years ago - 50,704 views
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